plugins/af_lang_detect/languagedetect/Text/LanguageDetect/ISO639.php

   1 <?php
   2 /**
   3  * Part of Text_LanguageDetect
   4  *
   5  * PHP version 5
   6  *
   7  * @category  Text
   8  * @package   Text_LanguageDetect
   9  * @author    Christian Weiske <cweiske@php.net>
  10  * @copyright 2011 Christian Weiske <cweiske@php.net>
  11  * @license   http://www.debian.org/misc/bsd.license BSD
  12  * @link      http://pear.php.net/package/Text_LanguageDetect/
  13  */
  14
  15 /**
  16  * Provides a mapping between the languages from lang.dat and the
  17  * ISO 639-1 and ISO-639-2 codes.
  18  *
  19  * Note that this class contains only languages that exist in lang.dat.
  20  *
  21  * @category  Text
  22  * @package   Text_LanguageDetect
  23  * @author    Christian Weiske <cweiske@php.net>
  24  * @copyright 2011 Christian Weiske <cweiske@php.net>
  25  * @license   BSD http://www.opensource.org/licenses/bsd-license.php
  26  * @link      http://www.loc.gov/standards/iso639-2/php/code_list.php
  27  *
  28  * @SuppressWarnings(PHPMD)
  29  */
  30 class Text_LanguageDetect_ISO639
  31 {
  32     /**
  33      * Maps all language names from the language database to the
  34      * ISO 639-1 2-letter language code.
  35      *
  36      * NULL indicates that there is no 2-letter code.
  37      *
  38      * @var array
  39      */
  40     public static $nameToCode2 = array(
  41         'albanian'   => 'sq',
  42         'arabic'     => 'ar',
  43         'azeri'      => 'az',
  44         'bengali'    => 'bn',
  45         'bulgarian'  => 'bg',
  46         'cebuano'    => null,
  47         'croatian'   => 'hr',
  48         'czech'      => 'cs',
  49         'danish'     => 'da',
  50         'dutch'      => 'nl',
  51         'english'    => 'en',
  52         'estonian'   => 'et',
  53         'farsi'      => 'fa',
  54         'finnish'    => 'fi',
  55         'french'     => 'fr',
  56         'german'     => 'de',
  57         'hausa'      => 'ha',
  58         'hawaiian'   => null,
  59         'hindi'      => 'hi',
  60         'hungarian'  => 'hu',
  61         'icelandic'  => 'is',
  62         'indonesian' => 'id',
  63         'italian'    => 'it',
  64         'kazakh'     => 'kk',
  65         'kyrgyz'     => 'ky',
  66         'latin'      => 'la',
  67         'latvian'    => 'lv',
  68         'lithuanian' => 'lt',
  69         'macedonian' => 'mk',
  70         'mongolian'  => 'mn',
  71         'nepali'     => 'ne',
  72         'norwegian'  => 'no',
  73         'pashto'     => 'ps',
  74         'pidgin'     => null,
  75         'polish'     => 'pl',
  76         'portuguese' => 'pt',
  77         'romanian'   => 'ro',
  78         'russian'    => 'ru',
  79         'serbian'    => 'sr',
  80         'slovak'     => 'sk',
  81         'slovene'    => 'sl',
  82         'somali'     => 'so',
  83         'spanish'    => 'es',
  84         'swahili'    => 'sw',
  85         'swedish'    => 'sv',
  86         'tagalog'    => 'tl',
  87         'turkish'    => 'tr',
  88         'ukrainian'  => 'uk',
  89         'urdu'       => 'ur',
  90         'uzbek'      => 'uz',
  91         'vietnamese' => 'vi',
  92         'welsh'      => 'cy',
  93     );
  94
  95     /**
  96      * Maps all language names from the language database to the
  97      * ISO 639-2 3-letter language code.
  98      *
  99      * @var array
 100      */
 101     public static $nameToCode3 = array(
 102         'albanian'   => 'sqi',
 103         'arabic'     => 'ara',
 104         'azeri'      => 'aze',
 105         'bengali'    => 'ben',
 106         'bulgarian'  => 'bul',
 107         'cebuano'    => 'ceb',
 108         'croatian'   => 'hrv',
 109         'czech'      => 'ces',
 110         'danish'     => 'dan',
 111         'dutch'      => 'nld',
 112         'english'    => 'eng',
 113         'estonian'   => 'est',
 114         'farsi'      => 'fas',
 115         'finnish'    => 'fin',
 116         'french'     => 'fra',
 117         'german'     => 'deu',
 118         'hausa'      => 'hau',
 119         'hawaiian'   => 'haw',
 120         'hindi'      => 'hin',
 121         'hungarian'  => 'hun',
 122         'icelandic'  => 'isl',
 123         'indonesian' => 'ind',
 124         'italian'    => 'ita',
 125         'kazakh'     => 'kaz',
 126         'kyrgyz'     => 'kir',
 127         'latin'      => 'lat',
 128         'latvian'    => 'lav',
 129         'lithuanian' => 'lit',
 130         'macedonian' => 'mkd',
 131         'mongolian'  => 'mon',
 132         'nepali'     => 'nep',
 133         'norwegian'  => 'nor',
 134         'pashto'     => 'pus',
 135         'pidgin'     => 'crp',
 136         'polish'     => 'pol',
 137         'portuguese' => 'por',
 138         'romanian'   => 'ron',
 139         'russian'    => 'rus',
 140         'serbian'    => 'srp',
 141         'slovak'     => 'slk',
 142         'slovene'    => 'slv',
 143         'somali'     => 'som',
 144         'spanish'    => 'spa',
 145         'swahili'    => 'swa',
 146         'swedish'    => 'swe',
 147         'tagalog'    => 'tgl',
 148         'turkish'    => 'tur',
 149         'ukrainian'  => 'ukr',
 150         'urdu'       => 'urd',
 151         'uzbek'      => 'uzb',
 152         'vietnamese' => 'vie',
 153         'welsh'      => 'cym',
 154     );
 155
 156     /**
 157      * Maps ISO 639-1 2-letter language codes to the language names
 158      * in the language database
 159      *
 160      * Not all languages have a 2 letter code, so some are missing
 161      *
 162      * @var array
 163      */
 164     public static $code2ToName = array(
 165         'ar' => 'arabic',
 166         'az' => 'azeri',
 167         'bg' => 'bulgarian',
 168         'bn' => 'bengali',
 169         'cs' => 'czech',
 170         'cy' => 'welsh',
 171         'da' => 'danish',
 172         'de' => 'german',
 173         'en' => 'english',
 174         'es' => 'spanish',
 175         'et' => 'estonian',
 176         'fa' => 'farsi',
 177         'fi' => 'finnish',
 178         'fr' => 'french',
 179         'ha' => 'hausa',
 180         'hi' => 'hindi',
 181         'hr' => 'croatian',
 182         'hu' => 'hungarian',
 183         'id' => 'indonesian',
 184         'is' => 'icelandic',
 185         'it' => 'italian',
 186         'kk' => 'kazakh',
 187         'ky' => 'kyrgyz',
 188         'la' => 'latin',
 189         'lt' => 'lithuanian',
 190         'lv' => 'latvian',
 191         'mk' => 'macedonian',
 192         'mn' => 'mongolian',
 193         'ne' => 'nepali',
 194         'nl' => 'dutch',
 195         'no' => 'norwegian',
 196         'pl' => 'polish',
 197         'ps' => 'pashto',
 198         'pt' => 'portuguese',
 199         'ro' => 'romanian',
 200         'ru' => 'russian',
 201         'sk' => 'slovak',
 202         'sl' => 'slovene',
 203         'so' => 'somali',
 204         'sq' => 'albanian',
 205         'sr' => 'serbian',
 206         'sv' => 'swedish',
 207         'sw' => 'swahili',
 208         'tl' => 'tagalog',
 209         'tr' => 'turkish',
 210         'uk' => 'ukrainian',
 211         'ur' => 'urdu',
 212         'uz' => 'uzbek',
 213         'vi' => 'vietnamese',
 214     );
 215
 216     /**
 217      * Maps ISO 639-2 3-letter language codes to the language names
 218      * in the language database.
 219      *
 220      * @var array
 221      */
 222     public static $code3ToName = array(
 223         'ara' => 'arabic',
 224         'aze' => 'azeri',
 225         'ben' => 'bengali',
 226         'bul' => 'bulgarian',
 227         'ceb' => 'cebuano',
 228         'ces' => 'czech',
 229         'crp' => 'pidgin',
 230         'cym' => 'welsh',
 231         'dan' => 'danish',
 232         'deu' => 'german',
 233         'eng' => 'english',
 234         'est' => 'estonian',
 235         'fas' => 'farsi',
 236         'fin' => 'finnish',
 237         'fra' => 'french',
 238         'hau' => 'hausa',
 239         'haw' => 'hawaiian',
 240         'hin' => 'hindi',
 241         'hrv' => 'croatian',
 242         'hun' => 'hungarian',
 243         'ind' => 'indonesian',
 244         'isl' => 'icelandic',
 245         'ita' => 'italian',
 246         'kaz' => 'kazakh',
 247         'kir' => 'kyrgyz',
 248         'lat' => 'latin',
 249         'lav' => 'latvian',
 250         'lit' => 'lithuanian',
 251         'mkd' => 'macedonian',
 252         'mon' => 'mongolian',
 253         'nep' => 'nepali',
 254         'nld' => 'dutch',
 255         'nor' => 'norwegian',
 256         'pol' => 'polish',
 257         'por' => 'portuguese',
 258         'pus' => 'pashto',
 259         'rom' => 'romanian',
 260         'rus' => 'russian',
 261         'slk' => 'slovak',
 262         'slv' => 'slovene',
 263         'som' => 'somali',
 264         'spa' => 'spanish',
 265         'sqi' => 'albanian',
 266         'srp' => 'serbian',
 267         'swa' => 'swahili',
 268         'swe' => 'swedish',
 269         'tgl' => 'tagalog',
 270         'tur' => 'turkish',
 271         'ukr' => 'ukrainian',
 272         'urd' => 'urdu',
 273         'uzb' => 'uzbek',
 274         'vie' => 'vietnamese',
 275     );
 276
 277     /**
 278      * Returns the 2-letter ISO 639-1 code for the given language name.
 279      *
 280      * @param string $lang English language name like "swedish"
 281      *
 282      * @return string Two-letter language code (e.g. "sv") or NULL if not found
 283      */
 284     public static function nameToCode2($lang)
 285     {
 286         $lang = strtolower($lang);
 287         if (!isset(self::$nameToCode2[$lang])) {
 288             return null;
 289         }
 290         return self::$nameToCode2[$lang];
 291     }
 292
 293     /**
 294      * Returns the 3-letter ISO 639-2 code for the given language name.
 295      *
 296      * @param string $lang English language name like "swedish"
 297      *
 298      * @return string Three-letter language code (e.g. "swe") or NULL if not found
 299      */
 300     public static function nameToCode3($lang)
 301     {
 302         $lang = strtolower($lang);
 303         if (!isset(self::$nameToCode3[$lang])) {
 304             return null;
 305         }
 306         return self::$nameToCode3[$lang];
 307     }
 308
 309     /**
 310      * Returns the language name for the given 2-letter ISO 639-1 code.
 311      *
 312      * @param string $code Two-letter language code (e.g. "sv")
 313      *
 314      * @return string English language name like "swedish"
 315      */
 316     public static function code2ToName($code)
 317     {
 318         $lang = strtolower($code);
 319         if (!isset(self::$code2ToName[$code])) {
 320             return null;
 321         }
 322         return self::$code2ToName[$code];
 323     }
 324
 325     /**
 326      * Returns the language name for the given 3-letter ISO 639-2 code.
 327      *
 328      * @param string $code Three-letter language code (e.g. "swe")
 329      *
 330      * @return string English language name like "swedish"
 331      */
 332     public static function code3ToName($code)
 333     {
 334         $lang = strtolower($code);
 335         if (!isset(self::$code3ToName[$code])) {
 336             return null;
 337         }
 338         return self::$code3ToName[$code];
 339     }
 340 }